Work which produces high levels of mental/visual fatigue, e.g., interactive and repetitive or small detailed work requiring alertness and concentration for sustained periods of time, the operation of and full attention to a personal computer or CRT between 40 and 70 percent of the time. Full Time - Medical Assistant - OB/GYN - Paw Paw, Centre Street, and Kalamazoo clinical locations Working under provider’s direction provides general nursing functions for the practice.